CN220287016U

CN220287016U - Projection equipment for teaching based on software development

Info

Publication number: CN220287016U
Application number: CN202321332934.6U
Authority: CN
Inventors: 李林; 吴良森; 王权
Original assignee: Hefei Youxiang Software Co ltd
Current assignee: Hefei Youxiang Software Co ltd
Priority date: 2023-05-25
Filing date: 2023-05-25
Publication date: 2024-01-02
Anticipated expiration: 2033-05-25

Abstract

The utility model discloses a projection device for teaching based on software development, which belongs to the technical field of software development teaching, and adopts the technical scheme that the projection device comprises a protective box, a projector body, a button and projection lenses, wherein a lifting mechanism is arranged in the protective box, cover plates are arranged at the top of the protective box, the number of the cover plates is two, and a mounting rack is fixedly connected to the rear side of the protective box; elevating system includes two limiting plates, places board and four electric telescopic handle, has solved current most software development teaching and has used the projecting apparatus for directly exposing fixed mounting in required position, when need not using the projecting apparatus, can't protect the projecting apparatus, in the great teaching environment of people's flow, the student of alarm causes the unexpected bump to the projecting apparatus easily to have the dust to adhere to on projection lens surface easily, lead to the projecting apparatus projection picture unclear, thereby influence the problem of result of use.

Description

Projection equipment for teaching based on software development

Technical Field

The utility model relates to the technical field of software development teaching, in particular to a projection device for teaching based on software development.

Background

Software development is a process of building a software system or a software part in the system according to user requirements, and is a system engineering including requirement capturing, requirement analyzing, designing, implementing and testing, and the software is generally implemented by using a certain programming language, and can be developed by using a software development tool.

At present, chinese patent with publication number CN219013921U discloses a projector protection structure, including the installing frame at the wall top through four bolt fixed mounting, the equal fixed mounting in both sides at installing frame's inner wall top has flexible cylinder, two flexible cylinder's lower extreme fixed mounting has the lift backplate, after the use is accomplished, starts two flexible cylinder contractions, the lift backplate that flexible cylinder drove the bottom is perpendicular upwards to be removed, the protection framework at drive lift backplate top is above-mentioned with the inside projector body simultaneously, until the bottom backplate top is laminated mutually and is accomplished and accomodate the protection with installing frame bottom, the rotation of adjusting the pole drives the slip of removing the bracing piece, remove the bracing piece and can promote the push plate and remove, its push plate can drive the removal of slide bar, slide bar and removal bracing piece slide in balanced frame simultaneously, when the push plate drives buffer gear to carry out the centre gripping to the projector body, supporting spring receives the compression, projector body surface receives elastic support power.

In teaching of software development, in order to improve teaching experience for students more clearly and intuitively observe teaching content, need use the projector, most of existing software development teaching projectors are direct exposed fixed mounting in required positions, and when the projector is not required to be used, the projector cannot be protected, and in the great teaching environment of people flow, the student of alarming easily causes unexpected collision to the projector, and dust is easy to adhere to the surface of a projection lens, so that the projection picture of the projector is unclear.

Disclosure of Invention

The utility model provides a projection device for teaching based on software development, which aims to solve the problems that most of the existing projectors for teaching based on software development are directly exposed and fixedly installed at required positions, the projectors cannot be protected when the projectors are not required to be used, and in a teaching environment with large traffic, the projectors are easy to be accidentally knocked by a hit student, dust is easy to be attached to the surfaces of projection lenses, so that projection pictures of the projectors are unclear, and the using effect is affected.

The utility model is realized in such a way, the projection equipment for teaching based on software development comprises a protective box, a projector body, buttons and projection lenses, wherein a lifting mechanism is arranged in the protective box, cover plates are arranged at the top of the protective box, the number of the cover plates is two, and a mounting frame is fixedly connected to the rear side of the protective box;

the lifting mechanism comprises two limiting plates, a placing plate and four electric telescopic rods, wherein the bottoms of the limiting plates are fixedly connected with the tops of the placing plates, the bottoms of the projector bodies are in contact with the tops of the placing plates, the surfaces of the projector bodies are in contact with the surfaces of the limiting plates, the tops of the electric telescopic rods are fixedly connected with the bottoms of the placing plates, and the bottoms of the electric telescopic rods are fixedly connected with the bottoms of the inner walls of the protection boxes.

In order to achieve the effect of conveniently limiting the projector body on the top of the placement plate, the projection device for teaching based on software development is preferable, the limiting plate is internally connected with the limiting buttons in a threaded manner, the bottoms of the limiting buttons penetrate through the limiting plate and are in close contact with the top of the projector body, and the number of the limiting buttons is two.

In order to achieve the effect of rotationally connecting the cover plates and the protective boxes, the projection equipment for teaching based on software development is preferably provided with spring hinges at the front side and the rear side of the opposite sides of the two cover plates, and the connection parts of the cover plates and the protective boxes are rotationally connected through the spring hinges.

In order to achieve the effect of facilitating the rotation of the roller, the projection equipment for teaching based on software development is preferable, two sides of the projector body are fixedly connected with the rotating frame, and the roller is rotatably connected in the rotating frame.

In order to achieve the effect of facilitating connection of the connecting wire and the projector body, the projection equipment for teaching based on software development is preferable, through grooves are formed in the protective box, and the number of the through grooves is four.

In order to achieve the effect of facilitating heat dissipation of the projector body, the projection equipment for teaching based on software development is preferable, and a heat dissipation opening is formed in the protective box.

In order to achieve the effect of conveniently fixing the protective box, the projection equipment for teaching based on software development is preferable, the inside of the mounting frame is movably connected with three screws.

In order to achieve the effect of conveniently moving the placing plate, the projection equipment for teaching based on software development is preferable, and the inside of the placing plate is provided with an exhaust hole.

Compared with the prior art, the utility model has the beneficial effects that:

this projection equipment for teaching based on software development, through spacing the top of placing the board with the projector body, when needs use the projector body, control electric telescopic handle upwards extends, can remove the projector body to the outside of protective housing and use, after the completion of use, control electric telescopic handle shrink, can remove the projector body to the protective housing inside and protect, can avoid current projector body when need not use, can't protect the projector body, in the great teaching environment of people's flow, the student of alarm causes the accident to collide with the projector body easily, and dust is attached to the projection lens surface easily, lead to the unclear problem of projector body projection picture.

Drawings

FIG. 1 is an overall structure diagram of a projection device for teaching based on software development;

FIG. 2 is a schematic perspective view of the internal structure of the protection box according to the present utility model;

FIG. 3 is a schematic view showing the three-dimensional connection of the placement plate and the protective case according to the present utility model;

FIG. 4 is a schematic perspective view of a lifting mechanism according to the present utility model;

FIG. 5 is a schematic view showing the three-dimensional connection of the limiting plate and the limiting button in the present utility model;

FIG. 6 is a schematic view of a three-dimensional connection of a turret and a roller in the present utility model;

fig. 7 is a schematic perspective view of the connection between the placement plate and the electric telescopic rod in the present utility model.

In the figure, 1, a protective box; 2. a cover plate; 3. a spring hinge; 4. a heat radiation port; 5. a mounting frame; 6. a lifting mechanism; 601. a limiting plate; 602. placing a plate; 603. an electric telescopic rod; 7. a through groove; 8. a projector body; 9. a roller; 10. a button; 11. a projection lens; 12. a screw; 13. a limit button; 14. a rotating frame; 15. and an exhaust hole.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, in the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Referring to fig. 1-7, the present utility model provides the following technical solutions: the utility model provides a projection equipment for teaching based on software development, includes protective housing 1, projecting apparatus body 8, button 10 and projection lens 11, and the inside of protective housing 1 is provided with elevating system 6, and the top of protective housing 1 is provided with apron 2, and the quantity of apron 2 is two, and the rear side of protective housing 1 fixedly connected with mounting bracket 5;

elevating system 6 includes two limiting plates 601, places board 602 and four electric telescopic handle 603, and the bottom of limiting plate 601 and the top fixed connection of placing board 602, the bottom of projecting apparatus body 8 and the top contact of placing board 602, the surface contact of projecting apparatus body 8 and limiting plate 601, the top of electric telescopic handle 603 and the bottom fixed connection of placing board 602, the bottom of electric telescopic handle 603 and the bottom fixed connection of protection box inner wall.

In this embodiment: through spacing the top of placing board 602 with projector body 8, when needs use projector body 8, control electric telescopic handle 603 upwards extends, can use the outside that removes projector body 8 to protective housing 1, after the use is accomplished, control electric telescopic handle 603 shrink, can remove projector body 8 to the inside protection of protective housing 1, can avoid current projector body 8 when need not use, can't protect projector body 8, in the great teaching environment of people's flow, the student of alarm causes the accident to collide with projector body 8 easily, and dust is attached to the projection lens 11 surface easily, lead to the unclear problem of projector body 8 projection picture.

As a technical optimization scheme of the utility model, the limiting buttons 13 are connected with the inner threads of the limiting plate 601, the bottoms of the limiting buttons 13 penetrate through the limiting plate 601 and are in close contact with the top of the projector body 8, and the number of the limiting buttons 13 is two.

In this embodiment: through removing projector body 8 to the top of placing board 602 for the surface contact of projector body 8 and limiting plate 601, then use external straight screw 12 sword to twist spacing button 13, remove spacing button 13 to the bottom of spacing button 13 and the top in close contact of projector body 8, can be with the spacing top of placing board 602 of projector body 8 this moment, reached the effect that conveniently spacing at placing board 602 top with projector body 8.

As a technical optimization scheme of the utility model, spring hinges 3 are arranged on the front side and the rear side of the opposite sides of the two cover plates 2, and the connection parts of the cover plates 2 and the protective box 1 are rotationally connected through the spring hinges 3.

In this embodiment: the cover plate 2 is rotationally connected with the protective box 1 through the spring hinge 3, so that the cover plate 2 can rotate, and the effect of rotationally connecting the cover plate 2 with the protective box 1 is achieved.

As a technical optimization scheme of the utility model, two sides of the projector body 8 are fixedly connected with a rotating frame 14, and the inside of the rotating frame 14 is rotatably connected with a roller 9.

In this embodiment: the roller 9 is connected in the rotating frame 14 through rotation, so that the roller 9 can rotate, and the effect of facilitating the rotation of the roller 9 is achieved.

As a technical optimization scheme of the utility model, through grooves 7 are formed in the protective box 1, and the number of the through grooves 7 is four.

In this embodiment: through passing the connecting wire through the through groove 7, can conveniently be connected with the connecting wire and the projector body 8, the effect of convenient connecting wire and projector body 8 connection has been reached.

As a technical optimization scheme of the utility model, a heat radiation port 4 is arranged in the protective box 1.

In this embodiment: the temperature that projector body 8 during operation produced will distribute to the outside of protective housing 1 through thermovent 4, has reached the radiating effect of convenient projector body 8.

As a technical optimization scheme of the utility model, the inside of the mounting frame 5 is movably connected with three screws 12.

In this embodiment: through removing mounting bracket 5 to the position that needs the installation, pass mounting bracket 5 with screw 12, with screw 12 and mounted position threaded connection again, can install fixedly to protective housing 1, reached the effect that conveniently fix protective housing 1.

As a technical optimization scheme of the present utility model, the inner portion of the placement plate 602 is provided with the exhaust hole 15.

In this embodiment: air between the placing plate 602 and the protective box 1 is exchanged through the exhaust holes 15, so that the placing plate 602 can be conveniently moved in the protective box 1, and the effect of conveniently moving the placing plate 602 is achieved.

Working principle: firstly, the mounting frame 5 is moved to a position to be mounted, the screws 12 penetrate through the mounting frame 5, the screws 12 are in threaded connection with the mounting position, the protective box 1 can be mounted and fixed, the electric telescopic rods 603 are controlled to extend upwards, the electric telescopic rods 603 extend upwards, the placing plate 602 can be pushed to move upwards in the protective box 1, at the moment, air between the placing plate 602 and the protective box 1 is exchanged through the air exhaust holes 15, the placing plate 602 is convenient to move in the protective box 1, the placing plate 602 is moved out of the protective box 1, then a connecting wire penetrates through the through groove 7 to be connected with the projector body 8, the projector body 8 is moved to the top of the placing plate 602, the surface of the projector body 8 is in contact with the surface of the limiting plate 601, then the limiting button 13 is screwed by using an external straight screw 12, the limiting button 13 is in threaded connection with the limiting plate 601, the limiting button 13 can be downwards moved when the limiting button 13 rotates, the limiting button 13 is moved to the bottom of the limiting button 13 to be in close contact with the top of the projector body 8, the projector body 8 can be limited at the top of the placing plate 602 at the moment, then the electric telescopic rod 603 is controlled to be contracted, the projector body 8 at the top of the placing plate 602 can be moved to the inside of the protective box 1 to be protected, the projector body 8 can be protected when the projector body 8 is not needed, the problem that the projector body 8 cannot be protected when the existing projector body 8 is not needed, the projector body 8 cannot be protected in the large-flow teaching environment, the alarmed students easily collide with the projector body 8 accidentally, dust is easy to adhere to the surface of the projection lens 11, the projection picture of the projector body 8 is unclear is avoided, when needs are used to projector body 8, control electric telescopic handle 603 upwards extends, projector body 8 upwards extends thereupon, the surface of gyro wheel 9 will rotate the contact with the bottom of apron 2 this moment, can upwards jack-up apron 2, upwards rotate apron 2 and open, the apron 2 passes through the spring hinge 3 and rotates between protective housing 1 and be connected, make apron 2 can rotate, and have elasticity, gyro wheel 9 is through rotating the inside of connecting at revolving rack 14, make gyro wheel 9 can rotate, through the rotation contact of gyro wheel 9 and apron 2, can avoid taking place the friction between limiting plate 601 and the apron 2 to produce abnormal sound, remove projection lens 11 to the outside of protective housing 1 after, can use projector body 8, after the use is accomplished, control electric telescopic handle 603 shrink, can remove projector body 8 to the inside protection of protective housing 1, can reset apron 2 through the elasticity that spring hinge 3 exists this moment, seal protective housing 1 top, the temperature that produces will give off to the outside of protective housing 1 through opening 4 when projector body 8 works.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. Projection equipment for teaching based on software development, including protective housing (1), projecting apparatus body (8), button (10) and projection lens (11), its characterized in that: the novel protective box is characterized in that a lifting mechanism (6) is arranged in the protective box (1), a cover plate (2) is arranged at the top of the protective box (1), the number of the cover plates (2) is two, and a mounting frame (5) is fixedly connected to the rear side of the protective box (1);

elevating system (6) include two limiting plates (601), place board (602) and four electric telescopic handle (603), the bottom of limiting plate (601) and the top fixed connection of placing board (602), the bottom of projecting apparatus body (8) and the top contact of placing board (602), the surface contact of projecting apparatus body (8) and limiting plate (601), the top of electric telescopic handle (603) and the bottom fixed connection of placing board (602), the bottom of electric telescopic handle (603) and the bottom fixed connection of protection box inner wall.

2. The software development-based teaching projection device of claim 1, wherein: the inside threaded connection of limiting plate (601) has spacing button (13), the bottom of spacing button (13) passes limiting plate (601) and with the top in close contact of projecting apparatus body (8), the quantity of spacing button (13) is two.

3. The software development-based teaching projection device of claim 1, wherein: the front side and the rear side of the opposite sides of the two cover plates (2) are respectively provided with a spring hinge (3), and the connecting part of the cover plates (2) and the protective box (1) is rotationally connected through the spring hinges (3).

4. The software development-based teaching projection device of claim 1, wherein: both sides of projecting apparatus body (8) are all fixedly connected with revolving rack (14), the inside rotation of revolving rack (14) is connected with gyro wheel (9).

5. The software development-based teaching projection device of claim 1, wherein: the inside of protective housing (1) has seted up logical groove (7), the quantity of logical groove (7) is four.

6. The software development-based teaching projection device of claim 1, wherein: the inside of the protective box (1) is provided with a heat radiation opening (4).

7. The software development-based teaching projection device of claim 1, wherein: the inside swing joint of mounting bracket (5) has screw (12), the quantity of screw (12) is three.

8. The software development-based teaching projection device of claim 1, wherein: an exhaust hole (15) is formed in the placing plate (602).